Tetra Tech Coffey is providing detailed geotechnical site investigation and temporary works design, together with groundwater, contamination, and occupational hygiene services for Sydney Gateway Stages 1 and 3.
Transport for NSW (TfNSW) are undertaking this transformative project to reduce travel times in Sydney by up to 40 minutes for motorists travelling from Parramatta to Sydney Airport; provide capacity for 100,000 vehicles per day; and to create a shared cycling and pedestrian path linking Tempe Reserve with the airport terminals.
John Holland-Seymour White (JHSW) JV are delivering two sections which cover 5.1 kilometres of arterial road. This consists of 2.7-kilometre active transport link and 21 bridges and viaducts to be delivered by December 2024.
At a glance
Client
John Holland-Seymour White (JHSW) JV
Location
Mascot, NSW
Duration
2021–2025
Services
Specialist geotechnical site investigation and temporary works design together with groundwater, contamination and occupational hygiene services.



